Cord Capstan Tensile Grip

Rated to 2.5 kN (500 lbf), Instru-Met’s Capstan Grips are engineered for high-accuracy tensile testing of twisted cords, braided lines, elastic tapes, and other flexible specimens. Featuring a self-tightening spiral groove design, these grips apply even stress distribution, minimize slippage, and eliminate jaw breaks—delivering consistent, repeatable results under demanding test conditions.

✅ Key Features:
500 lbf (2.5 kN) Capacity – Ideal for tension testing cords, yarns, and tapes

• Self-tightening Capstan Design – Locks tighter as force increases

• 2.5 Full Turns of Grooved Spiral – Evenly distributes stress for accurate results

• Wide Sample Compatibility – Test diameters from 0.02 to 0.125 inches (0.5 – 3.2 mm)

• High Temperature Range – Operates from -100°F to 600°F (-73°C to 316°C)

• Fast, Repeatable Setup – Simple wrap, clamp, and test workflow

• ½ Inch Clevis Pin Mount – Compatible with most standard testing machines

• Optional Smooth Capstans – For delicate or non-abrasive materials

📐 Applications:
Tensile testing of braided cords, textile yarns, wire insulation, elastic bands, and composite fibersIdeal for lab-quality material testing, quality control, and production validation

Built for Reliability. Trusted by Professionals.
Whether you’re working in a research lab, QA environment, or production floor, Instru-Met Capstan Grips are the dependable choice for tension testing soft, flexible, or deformable specimens.